ഫലകം:Certification Table Entry/Sales/NewZealandPeriod

ഫലകത്തിന്റെ വിവരണം

This helper template calculates periods for New Zealand single certifications, as stated in the following sources:

• According to Scapolo, Dean (2007). The Complete New Zealand Music Charts: 1966 – 2006 (PDF). Wellington: Maurienne House. p. 7. ISBN 978-1877443-00-8. the levels changed in 1989
• The 7 May 2007 chart and 4 June 2007 chart demonstrate a change near June 2007.
• According to this and the very bottom of this, from 17 June 2016, the NZ singles have 15,000 for Gold and 30,000 for Platinum now.

It returns:

Before 1989	Before June 2007	Before June 2016	From June 2016
1	2	3	4

Returns 0 if the data provided is not sufficient.